duete; see due, ty 2 ]. syn: duty, obligation refer to something a person feels bound to do. A duty often applies to what a person performs in fulfillment of the permanent dictates of conscience, piety, right, or law: one's duty to tell the truth; a parent's duty to raise children properly.
Mutations in the RB1 gene are responsible for most cases of retinoblastoma. RB1 is a tumor suppressor gene, which means that it normally regulates cell growth and keeps cells from dividing too rapidly or in an uncontrolled way.
The father had had one eye. by us for RB 25 years ago. Towards early detection of retinoblastoma by Freeman, Nicola; Meyer, David / South African Medical Journal. tissue was removed using a 26-Fr nephroscope with an adapter (27 293 AA and 27040 LB, Karl Storz) and a VersaCut morcellator (Lumenis).